# IMO Level 1- Mathematics Olympiad (SOF) Class 4: Questions 528 - 532 of 614

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## Question number: 528

Appeared in Year: 2012

### Question

There are 200 people in a hall. They are divided equally into 7 groups of adults and 3 groups of children. If there are 2 adults in each group, then how many children are there in each group?

### Choices

Choice (4) | Response | |
---|---|---|

a. | 62 | |

b. | 70 | |

c. | 60 | |

d. | 30 |

## Question number: 529

Appeared in Year: 2012

### Question

The perimeter of the star equals the perimeter of the hexagon (all sides are equal). If equal side of the hexagon is 20 cm long, then each side of the star is________.

### Choices

Choice (4) | Response | |
---|---|---|

a. | 9 cm | |

b. | 10 cm | |

c. | 8 cm | |

d. | 12 cm |

## Question number: 530

### Question

Arrange the following words according to dictionary arrangement:

1. Expansions

2. Exhibition

3. Experience

4. Expression

### Choices

Choice (4) | Response | |
---|---|---|

a. | 2,1, 3,4 | |

b. | 2,4, 3,1 | |

c. | 4,1, 2,3 | |

d. | 1,2, 3,4 |

## Question number: 531

Appeared in Year: 2012

### Question

If

and

, then

### Choices

Choice (4) | Response | |
---|---|---|

a. | 15 | |

b. | 65 | |

c. | 110 | |

d. | 45 |

## Question number: 532

### Question

Select a figure from four alternatives which when placed in blank space of figure X would complete the pattern.

### Choices

Choice (4) | Response | |
---|---|---|

a. | ||

b. | ||

c. | ||

d. |